| Solution | Length | |
|---|---|---|
| 4 letters | ||
| vain | 4 | |
| idle | 4 | |
| void | 4 | |
| dull | 4 | |
| moot | 4 | |
| slow | 4 | |
| 5 letters | ||
| stiff | 5 | |
| inane | 5 | |
| nouse | 5 | |
| silly | 5 | |
| empty | 5 | |
| blunt | 5 | |
| vapid | 5 | |
| 6 letters | ||
| wooden | 6 | |
| futile | 6 | |
| otiose | 6 | |
| solemn | 6 | |
| stodgy | 6 | |
| stuffy | 6 | |
| 7 letters | ||
| sterile | 7 | |
| hardhit | 7 | |
| rounded | 7 | |
| useless | 7 | |
| tedious | 7 | |
| inutile | 7 | |
| ofnouse | 7 | |
| 8 letters | ||
| tortuous | 8 | |
| 9 letters | ||
| tasteless | 9 | |
| senseless | 9 | |
| redundant | 9 | |
| unpointed | 9 | |
| 10 letters | ||
| spiritless | 10 | |
| UNAVAILING | 10 | |
| 11 letters | ||
| superfluous | 11 | |
| unsharpened | 11 | |
| superficial | 11 | |
| PURPOSELESS | 11 | |
| 12 letters | ||
| unprofitable | 12 | |